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Ann Thorac Surg 1995;60:1337-1340
© 1995 The Society of Thoracic Surgeons

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Original Articles: General Thoracic

Thoracoscopic Staging of Esophageal Cancer: A Prospective, Multiinstitutional Trial

Division of Thoracic Surgery, Department of Surgery, University of Maryland Medical System, Baltimore, Maryland, Division of Thoracic Surgery, Brigham and Women's Hospital, Boston, Massachusetts, and Medical University of South Carolina, Charleston, South Carolina

Background. Lymph node metastasis has been shown to be an important prognosticator in esophageal cancer. A prospective, multiinstitutional study of thoracoscopic lymph node staging in patients with biopsy-proven esophageal cancer was undertaken at University of Maryland, Medical University of South Carolina, and Brigham and Women's Hospital.

Methods. Forty-nine patients underwent thoracoscopic staging between September 1991 and August 1993. Five procedures were incomplete due to adhesions. Preoperative computed tomography, magnetic resonance imaging, esophageal ultrasound, and bronchoscopy were performed. After our initial experience with the left side of the chest, thoracoscopic staging was done through the right side of the chest unless specific indications dictated otherwise. Beginning in January 1993 routine laparoscopic/mini-laparotomy lymph node staging of the celiac axis was performed.

Results. Satisfactory thoracoscopic lymph node staging was achieved in 44 patients (95%). Of 33 patients undergoing esophageal resection, 29 were correctly staged (88%). Since initiating concomitant laparoscopic lymph node staging, we have correctly staged all of the last 9 patients with regard to celiac lymph nodes as well. Information regarding T status obtained at thoracoscopy was as follows: 3 patients were correctly ``downstaged'' to T3 despite preoperative noninvasive tests suggesting T4. In 2 patients thoracoscopy correctly predicted T4 invasion, whereas in 2 patients, thoracoscopy missed T4 lesions.

Conclusions. Thoracoscopy is a valuable tool for staging intrathoracic tumors. Preoperative staging of esophageal cancer may allow better allocation of adjuvant therapy. This pilot study suggests that thoracoscopic staging can correctly predict thoracic lymph node status with high accuracy and aid in better defining T status.

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Invited Commentary

Joseph LoCicero, III
Ann. Thorac. Surg. 1995 60: 1340. [Extract] [Full Text]

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